​From Wikipedia, the free encyclopedia Robert "Rob" Rackstraw (born 31 October 1965 in Sunderland) is a British voice actor. He is perhaps best known for his various voices in the television series Bob the Builder, mainly the scarecrow Spud.  He has an extensive voice over career over 15 years long and is considered to be one of the UK's leading male voice actors. He also played the main villain Pew in The Legends of Treasure Island, and Captain Campion in Watership Down. He also wrote episodes of Avenger Penguins and Fantomcat. Description above from the Wikipedia article Rob Rackstraw, licensed under CC-BY-SA, full list of contributors on Wikipedia.